Inking fountain



y 7, 1930. H. w. CLARK 1,759,889

. I INK'ING FOUNTAIN Filed May 31, 1929 INVENTOR v Z627" W6 6i? BY g A TTOR/VEY are i J We v vzsrr V i i .5 @is' generallyused" on printing presses isdifliing mechanism 'i;

1mm WQICLAIQQKQQF wynnno'r'rn 60mm, ANsAs J.{Teenager"rail ngs p1;.1929; sen-(11117 367,359; ll p a j 'Thisinvention relatesitoinkingfountains away, of aninking' fountain embodying this f.

" an'dparticularly to that typehaving fan ink invention; s!

. receptacle-from whichthein'k is fedjby'rneans Fig.2 is an enlarged fragmentary end ele- 015M011. This type'of inking-fountainwhich vation of theflfountain showing the roll driir 1 cult to operatesothatra constant even flow vFig. 3;is aside elevation of the partsshown.

; ofink will-be'fedtozthe ductorfrollQ] This in Eig.2;-

difiicultyiscaused by-the' collection of for- T Fig. 4=is avifev'vsiinilar to'Fig. 2, withparts eignrnaterial'nthe receptacle"adjacentthe' b'roken awayf and' Withfthe drivinginecha .1 I. point-of tangncy'offthe in}; control blade nism shown in solid lines inli position to Q i I With-the roll. The space in the receptaclein revers'e'the direction ofjthe roll and in dotted T which. this v ;foreign"- material; collects" may lines t-he partsare shown in position tod'rive;

Vary'slightly as the control blade is a'djnsted the roll in the direction to feed'th'einkffrom a to and from the rollto feed difierent quanti' the fountain; I ties'of' inkg but isjv'ery narrow so thah'it'is jFig. 5fi'san; enlargedfragmentarycross H impossible :to remoyesai'd foreign substances section takenon line V V of Fig.1. 7 v or properly mix them- .with the'loodyv of the Similar referencecharactersdesignate like ink .by rneansofxanymoving member-within parts throughout the several viewsand the 'the fountalnl This difliculty is overconiein numeral 10 designates an inking fountain, f 4

the'presentinventioninwhichzthefountain frame'of any suitable type inwhich is re a f roll iwhich'l'is intermittently;driven away tatably mounted-fountain feed roll" 11' by. p

from the control bl'ade to'feedithe ink from "means .of an axlfe jor shaft- 12 passing through thel' fountain is interniittentlyfrotated in the bearlng' rnembers 13 and I l. An inkcontrof 5 I opposite? direction a suflic'ient distance ftO blade 15 is mounted in frame 10 With its 7 scarrybthe accumulation of foreign 'substance loweredge substantially tangent with the :pe 7 ii. o

. backwardlfy,and upwardly'into theloody of riphery of roll 11 and'adjustable thereto and fthe.inkythlis'perinittingJa';fresh supplyof therefrom by means of" bla'de adjusting .ink to] be fed; to'the delivery aperture; The; screws I'GWhich are threadedinto 'frame lO 5 r foreignfmaterial thns "carried b'ackinto the .at 17. Thefrainelt), roll 11, and blade 15'. p 3 body ofthe-inkiwillmixtherewith and evenforrnan ink receptacle 18 inwhich in'k K -is .tually be fed fromithe" fountain in small placed. 1 I I p quantities without interfering with the free. The amount of ink that is fed from foun! V andg flo offhejfikijf; 1 e tainis determined by the space between blade 1 j 7 this "151a'nd'r01ler 11. ;Thisjspace is necessarily The} princip al object. o

thepprovisionof ankinkffountain having an slight andxas small foreign particlessuchrasf p I f from said receptacle,"{ means'fifor; interrnit-- exit; there is a tendency for them'to radually; it

2 9: j- -rEigurel isa rawn-was palig' bfdken, iswell known in the art'and the w aa ginkreceptacle, and ink -"Q1lffor.feeding ink lintfscuin, dried varnishyetc -are fed to the tently rota'ting .the'rollingone direction and accumulate if the roll is continuously turned; means forintermittentlyreversingthedirec-v inthesamedirection;thusinterferingwith tionof'rotationof said-roll thefproper feeding ofythe fountain; ,This is 9 i withflthese. generalob'ects as well especially true Where only athin layer of ink p *asi fminor. objects which will-appear inwthe .is being fed. Furthermore, this collection qcourse the'deta-iled specification, thevine "of foreign material servesasa strainerthat Yx l ventio'n will now be descrihedwith reference collects the pigment and" permits the ,th inf' 1 to the-accompanying drawingsillustrating' a f varnish'to' pass through Without sufficient 'constructi n embodying thief improvements color therein. 1 p I and particularly designed-for use onjaiprint- The general construction of inking ,foun 1 ,jh'g pr ss',g l T .tain just-describedwith meansforintermit In th drawingsf tently rotating'theroll in only-one'directi'onj mittently rotating said g v backwardly, said means being adapted to;

rotate said r011 "forwardly apluiality' b f 1 to each backward rotation thereof. a

j 5. An inking re c'eptaele,v anink feed r011, means fo -"intereroll" forwardly and move the roll farther forward than backwafd.

' 'inittently rotating theroll inwardljthrough I I j 6.*A'n i"kin'g fountainHc mpI'isingan' ink receptacle, v g v mittentlyrotating said IOll OfitWfll'dlYtO feed an ink' feed r011, means for'interink from said "feuntainfand means for interasmallerare than'it is'rotated forwardly,

7 Q An inking; fountaincomprising an ink "reeeptacl'e, an' ink teed r011 having anaxle,

I j a ratehet wheel securedjtosaid ax-le apa'wl adapted to. be oscillated-telintermittently rotate said ratc het' wheel, wheel secured to said axle,

29 adapted to be oscillatedteyot'at said second I I ratchet wheel in theoppositedirection;-

a first named meansto ftiohof said feed r011. 7 a t In testimony whereqf; signature;

and a pawl 8. An inking.

andv adj iistable means to fountain comprising an" ink a second ratchet Iihe'renntO afiixhmy V mm CLARK; 

